[ GLSA 200502-29 ] Cyrus IMAP Server: Multiple overflow vulnerabilities

[GLSA]

Gentoo Linux Security Advisory

Title: Cyrus IMAP Server: Multiple overflow vulnerabilities (GLSA 200502-29)
Severity: normal
Exploitable: remote
Date: February 23, 2005
Updated: May 22, 2006
Bug(s): #82404
ID: 200502-29

Synopsis

The Cyrus IMAP Server is affected by several overflow vulnerabilities which could potentially lead to the remote execution of arbitrary code.

Background

The Cyrus IMAP Server is an efficient, highly-scalable IMAP e-mail server.

Affected Packages

Package: net-mail/cyrus-imapd
Vulnerable: < 2.2.12
Unaffected: >= 2.2.12
Architectures: All supported architectures


Description

Possible single byte overflows have been found in the imapd annotate extension and mailbox handling code. Furthermore stack buffer overflows have been found in fetchnews, the backend and imapd.

Impact

An attacker, who could be an authenticated user or an admin of a peering news server, could exploit these vulnerabilities to execute arbitrary code with the rights of the user running the Cyrus IMAP Server.

Workaround

There is no known workaround at this time.

Resolution

All Cyrus IMAP Server users should upgrade to the latest version: